[Bug 86320] New: Monitor on DisplayPort doesn't wake up

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Nov 15 11:59:22 PST 2014


            Bug ID: 86320
           Summary: Monitor on DisplayPort doesn't wake up
           Product: xorg
           Version: git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: bero at lindev.ch
        QA Contact: xorg-team at lists.x.org

When a box with a Radeon HD 8490 (PCI ID 1002:6771, Subsystem 103c:90b8)
connected to a Samsung SyncMaster SA850T enters powersaving mode, the monitor
doesn't come back on after waking it up.

ssh-ing in from another box and running "xrandr -s 1280x800 ; xrandr -s
2560x1440" brings it back to life. ("xset dpms force on" doesn't help).

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